{"id":"CVE-2021-24452","aliases":["EUVD-2021-11364","GHSA-w3f9-qvj2-72hf"],"status":"published","title":"W3 Total Cache \u003c 2.1.5 - Reflected XSS in Extensions Page (JS Context)","description":"The W3 Total Cache WordPress plugin before 2.1.5 was affected by a reflected Cross-Site Scripting (XSS) issue within the \"extension\" parameter in the Extensions dashboard, when the 'Anonymously track usage to improve product quality' setting is enabled, as the parameter is output in a JavaScript context without proper escaping. This could allow an attacker, who can convince an authenticated admin into clicking a link, to run malicious JavaScript within the user's web browser, which could lead to full site compromise.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.01917,"percentile":0.80172,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-07-19T10:53:17Z","modified":"2026-06-17T03:40:03Z","exploits":[{"source":"nuclei","id":"CVE-2021-24452","title":"WordPress W3 Total Cache \u003c2.1.5 - Cross-Site Scripting","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24452.yaml"}],"products":[{"vendor":"boldgrid","product":"w3 total cache"},{"vendor":"boldgrid","product":"w3_total_cache"}],"references":[{"url":"https://wpscan.com/vulnerability/3e855e09-056f-45b5-89a9-d644b7d8c9d0","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24452"},{"url":"https://github.com/advisories/GHSA-w3f9-qvj2-72hf"}],"sources":{"cve":[{"id":"CVE-2021-24452","title":"W3 Total Cache \u003c 2.1.5 - Reflected XSS in Extensions Page (JS Context)","description":"The W3 Total Cache WordPress plugin before 2.1.5 was affected by a reflected Cross-Site Scripting (XSS) issue within the \"extension\" parameter in the Extensions dashboard, when the 'Anonymously track usage to improve product quality' setting is enabled, as the parameter is output in a JavaScript context without proper escaping. This could allow an attacker, who can convince an authenticated admin into clicking a link, to run malicious JavaScript within the user's web browser, which could lead to full site compromise.","status":"published","published":"2021-07-19T10:53:17Z","modified":"2024-08-03T19:28:23.95Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.331617Z"}],"euvd":[{"id":"EUVD-2021-11364","description":"The W3 Total Cache WordPress plugin before 2.1.5 was affected by a reflected Cross-Site Scripting (XSS) issue within the \"extension\" parameter in the Extensions dashboard, when the 'Anonymously track usage to improve product quality' setting is enabled, as the parameter is output in a JavaScript context without proper escaping. This could allow an attacker, who can convince an authenticated admin into clicking a link, to run malicious JavaScript within the user's web browser, which could lead to full site compromise.","status":"published","published":"2021-07-19T10:53:17Z","modified":"2024-08-03T19:28:23Z","updated_at":"2026-11-03T03:24:57.947294Z"}],"ghsa":[{"id":"GHSA-w3f9-qvj2-72hf","title":"The W3 Total Cache WordPress plugin before 2.1.5 was affected by a reflected Cross-Site Scripting...","description":"The W3 Total Cache WordPress plugin before 2.1.5 was affected by a reflected Cross-Site Scripting (XSS) issue within the \"extension\" parameter in the Extensions dashboard, when the 'Anonymously track usage to improve product quality' setting is enabled, as the parameter is output in a JavaScript context without proper escaping. This could allow an attacker, who can convince an authenticated admin into clicking a link, to run malicious JavaScript within the user's web browser, which could lead to full site compromise.","status":"published","published":"2022-05-24T19:08:24Z","modified":"2023-01-30T05:00:53Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:17.249643Z"}],"nvd":[{"id":"CVE-2021-24452","description":"The W3 Total Cache WordPress plugin before 2.1.5 was affected by a reflected Cross-Site Scripting (XSS) issue within the \"extension\" parameter in the Extensions dashboard, when the 'Anonymously track usage to improve product quality' setting is enabled, as the parameter is output in a JavaScript context without proper escaping. This could allow an attacker, who can convince an authenticated admin into clicking a link, to run malicious JavaScript within the user's web browser, which could lead to full site compromise.","status":"published","published":"2021-07-19T11:15:08.627Z","modified":"2026-06-17T03:40:03.227Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:55.747384Z"}]}}